<div class = 'upload' >
  <div class = 'upload-select'>
    <input  class = 'upload-input' type = "file" accept = ".apk"/>
    <span>上传应用</span>
  </div>
  <div class = 'upload-progressbar'>
    <div class = 'upload-bar'>
      <div class = 'upload-progress'></div>
    </div>
    <div class = 'upload-text'></div>
  </div>
</div>
